Home / 34,333.04-51,503.88-12,141.20

Finding the Fourth Proportional to 34,333.04, 51,503.88 and 12,141.20

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Solution

The fourth proportional to 34,333.04, 51,503.88 and 12,141.20 is: 18,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,333.04 : 51,503.88 = 12,141.20 : x
  2. Step 2: Convert to fraction form
    34,333.04/51,503.88 = 12,141.20/x
  3. Step 3: Cross multiply
    34,333.04x = 51,503.88 × 12,141.20
  4. Step 4: Simplify right side
    34,333.04x = 625,318,907.86
  5. Step 5: Solve for x
    x = 625,318,907.86/34,333.04
  6. Step 6: Final answer
    x = 18,213.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.